@mixin pin()
  position: fixed
  top: 0
  left: 0
  right: 0
  bottom: 0

@mixin animationRotate($speed: 1s)
  @keyframes animationRotate
      from
        transform: rotate(0)
      to
        transform: rotate(360deg)
  animation:
    name: animationRotate
    duration: $speed
    iteration-count: infinite
    timing-function: linear